Gas Supply Requirements - Agilent Technologies VGA 77 User Manual

Getting Started
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Gas Supply Requirements

A regulated supply of argon must be provided for your VGA 77
through the captive hose located in the right side panel. You may also
use nitrogen with the AA reagent module only.
Nitrogen must not be used with the ICP module as it may degrade the
NOTE
performance of the plasma.
The gas supply must comply with the specifications in Section 2. The
VGA is fitted with a 6 mm (1/4 in.) internal diameter reinforced
plastic hose for connection to a standard barbed-tail connector. If
you are in any doubt about the correct fittings to use, consult your
supplier.
Connecting the Gas Supply
To connect the gas supply:
1
20
Install the drain tubing. See Page 25.
Install the VGA pump tubing. See Page 27.
Install the burner clamps (AA only). See Page 29.
Install the cell (AA only). See Page 36.
Connect the gas/liquid separator outlet to:
the inlet of the absorption cell (AA), or
the sample introduction system (ICP).
See Page 38.
If necessary, connect a mercury trap to the cell exhaust to
comply with local regulations on the discharge of mercury vapor
(AA only). See Page 41.
Place the clamp over the free end of the captive hose and connect
the free end of the captive hose to the metal barbed-tail
connector on the gas supply or to your gas supply regulator.
Agilent Vapor Generation Accessory VGA 77 and VGA 77P User's Guide